to face the facts, to face reality, to be realistic, to bow to the evidence

(figuratively) to call in sick; to pull a sickie, to malinger

(informal) to laugh one's head off, to have a good laugh

(informal, figuratively) to lick one's chops, to lick one's lips (to look forward avidly to eating something) / (informal, figuratively) to lick one's chops, to rub one's hands (to anticipate something eagerly)

(informal, figuratively) to rub one's hands together (to anticipate something eagerly)

(vulgar, offensive) to go fuck oneself. (Usually used in the imperative form.)

(informal, figuratively) to take the plunge

(informal, derogatory) not to overstrain oneself, not to over-exert oneself, not to overdo it, not to wear oneself out, not to kill oneself over (something), to take it easy

(informal) to bend over backwards

(informal, figuratively) to contemplate one's navel, to indulge in navel-gazing (to be self-centered)